package day01;

public class Testk {

	public static void main(String[] args) {
		int num1 = 10;
		int num2 = 20;
		int temp = 0;
		
		temp = num1;
		num1 = num2;
		num2 = temp;
		
		System.out.println(num1);
		System.out.println(num2);

		
		

	}

}
